A seedling planting irrigation device

Abstract

The present invention belongs to the technical field of seedling planting, and in particular to a seedling planting irrigation device to solve the technical problem that there is no way to adjust the seedling watering effect. The device comprises a bearing group, a nozzle group, a driving group, and an irrigation liquid tank group. The bearing group is connected to the nozzle group, the driving group is connected to the bearing group, and the irrigation liquid tank group is connected to the nozzle group. The execution motor is started, and then the driving wheel is driven to rotate by the execution motor, and then the rectangular slider and the matching installation sleeve are driven to drive the driving connecting rod to move by the driving wheel. At the same time, the rectangular slider is slid along the rectangular slide groove, so that the rectangular slider and the matching installation sleeve drive the driving connecting rod to change the reciprocating stroke, and then the reciprocating motion stroke of the piston slide rod at the inner end of the driving sleeve is changed, so that the amount of irrigation liquid that can be carried per unit time is changed, so as to adjust the spraying amount of the irrigation liquid, and then adjust the watering effect of the seedlings.

Description

Technical Field

[0001] The invention belongs to the technical field of seedling planting, and in particular relates to seedling planting irrigation equipment. Background Art

[0002] For example, a forestry seedling water and fertilizer integrated irrigation equipment with patent application number CN202311317504.1 includes a frame; it also includes a front dial plate, a rear dial plate, a water and fertilizer delivery assembly, an irrigation assembly and a cleaning system; a water and fertilizer delivery assembly for delivering water and fertilizer is installed in the middle of the upper surface of the frame; an irrigation assembly for irrigating seedlings is provided on each of the left and right sides of the frame; the water and fertilizer delivery assembly is connected to the irrigation assembly; a front dial plate that can be moved forward is installed on the front side of the irrigation assembly; a rear dial plate that can be moved backward is installed on the rear side of the irrigation assembly; a cleaning system for cleaning the irrigation equipment is provided on the rear side of the upper surface of the frame, but the disadvantage of this technical solution is that there is no way to adjust the watering effect of the seedlings. Summary of the invention

[0003] The purpose of the present invention is to provide a seedling planting irrigation device to solve the technical problem that there is no way to adjust the seedling watering effect.

[0004] To achieve the above purpose, the specific technical solution of a seedling planting irrigation device of the present invention is as follows:

[0005] A seedling planting irrigation device comprises a bearing group, a nozzle group, a driving group and an irrigation liquid tank group. The bearing group is connected to the nozzle group, the driving group is connected to the bearing group, and the irrigation liquid tank group is connected to the nozzle group.

[0006] Further, the bearing group includes a mounting base, a mounting bracket 1, a bearing frame, an extension slide, a matching sleeve, a driving rod, a driven wheel, a synchronous belt, a knob, a matching bracket, a positioning slot, a driving wheel, a matching slider, a spiral slot, a positioning rod, a positioning rod push spring, and a positioning rod slide cavity. The mounting base is fixedly mounted with a mounting bracket 1, the mounting base is fixedly mounted with a bearing frame, the bearing frame is slidably mounted with an extension slide, the extension slide is rotatably mounted with a driving rod, one end of the driving rod is fixedly mounted with a driven wheel, the other end of the driving rod is fixedly mounted with a matching slider, and the matching slider is slidably mounted on The spiral slide groove is opened on the matching sleeve, and the matching sleeve is fixedly installed on the bearing frame. The matching bracket is fixedly installed on the bearing frame. A driving wheel is rotatably installed on the matching bracket. Another driving rotating rod is fixedly installed on the driving wheel. A synchronous belt is arranged between the driving wheel and the driven wheel. A knob is fixedly installed on the driving wheel. A positioning slot is opened on the knob, and there are multiple positioning slots. A positioning card rod sliding cavity is opened on the matching bracket. A positioning card rod is slidably installed in the positioning card rod sliding cavity. A positioning card rod push spring is arranged between the positioning card rod and the positioning card rod sliding cavity, and the positioning card rod is matched and connected with the positioning card slot.

[0007] Furthermore, the plurality of positioning slots are arranged in a circumferential array along the center axis of the knob.

[0008] Furthermore, the nozzle group includes a nozzle box, a spray column, and a nozzle box connecting pipe. The nozzle box is fixedly installed on the supporting frame, and a spray column is fixedly installed on the nozzle box, and a plurality of spray columns are provided. A nozzle box connecting pipe is fixedly installed on the nozzle box, and the nozzle box connecting pipe is connected to the driving group.

[0009] Furthermore, a plurality of the spray columns are arranged in a linear array along the spray head box.

[0010] Further, the driving group includes a driving wheel, a rectangular slide, a rectangular slider, a matching installation sleeve, a driving connecting rod, a mounting bracket end cover, a driving sleeve, a connecting pipe 1, a sealing end cover, an executive motor, a one-way push plate, a rectangular through hole, a spring A, an inner sleeve, an opening A, a piston slide rod, a positioning card slot 2, a positioning card rod 2, and a positioning card rod push spring 2. The driving wheel is provided with a rectangular slide, a rectangular slider is slidably installed in the rectangular slide, a matching installation sleeve is fixedly installed on the rectangular slider, the matching installation sleeve is slidably connected with the driving connecting rod, a piston slide rod is fixedly installed on the driving connecting rod, the piston slide rod is slidably installed on the inner end of the driving sleeve, one end of the driving sleeve is fixedly installed with a mounting bracket end cover, the other end of the driving sleeve is fixedly installed on the sealing end cover, and the mounting bracket end cover is fixedly installed on the sealing end cover. An execution motor is installed, and the output shaft of the execution motor is installed on the driving wheel disc. The driving sleeve is fixedly installed on the mounting bracket 1. A connecting pipe 1 is fixedly installed on the driving sleeve. The connecting pipe 1 is fixedly connected and connected with the nozzle box connecting pipe. A positioning slot 2 is opened in the rectangular slide groove, and there are multiple positioning slots 2. A positioning rod 2 is slidably installed in the rectangular slide, and there are two positioning rods 2. A positioning rod push spring 2 is arranged between the two positioning rods 2. The positioning rod 2 is matched with the positioning slot 2. An inner sleeve is fixedly installed on the sealing end cover, and an opening A is opened on the inner sleeve. A one-way push plate is slidably installed in the opening A. A spring A is arranged between the one-way push plate and the inner sleeve. A rectangular through hole is opened on the sealing end cover, and the rectangular through hole matches the one-way push plate.

[0011] Furthermore, the plurality of second positioning slots are arranged along a linear array of rectangular slide slots.

[0012] Furthermore, the irrigation liquid tank group includes a pump body, an irrigation liquid tank, and an irrigation connecting pipe. The pump body is installed on the irrigation liquid tank. The irrigation connecting pipe is installed on the irrigation liquid tank. The irrigation connecting pipe is connected to the opening A.

[0013] The advantages of the present invention are:

[0014] 1. Place the seedlings on the carrier and turn the knob manually, which drives the driving wheel to rotate, and then drives the driving rod to rotate. The sliding match between the matching slider and the spiral slide groove drives the driving rod to slide along the central axis of the matching sleeve, drives the expansion slide plate and the carrier to slide relative to each other, and then expands the use area of ​​the carrier through the expansion slide plate, so as to facilitate the placement of more seedlings that need to be planted and irrigated;

[0015] 2. The driving group transports the irrigation liquid in the irrigation liquid tank group into the nozzle box through the nozzle box connecting pipe, and sprays it out through the spray column to irrigate the seedlings that need to be planted and irrigated;

[0016] 3. Start the execution motor, and then drive the driving wheel to rotate through the execution motor, and then drive the rectangular slider and the matching installation sleeve to drive the driving connecting rod to move through the driving wheel, and then drive the piston slide rod to reciprocate at the inner end of the driving sleeve through the driving connecting rod, so that the irrigation liquid in the irrigation liquid tank group enters the driving sleeve through the opening A and the rectangular through hole, and enters the nozzle box connecting pipe through the connecting pipe 1, so as to complete the transportation of the irrigation liquid; at the same time, slide the rectangular slider along the rectangular slide groove, so that the rectangular slider and the matching installation sleeve drive the driving connecting rod to change the reciprocating stroke, so that the reciprocating stroke of the piston slide rod at the inner end of the driving sleeve changes, so that the amount of irrigation liquid that can be transported per unit time changes, so as to adjust the spraying amount of the irrigation liquid, and then adjust the watering effect of the seedlings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 for Figure 1 Schematic diagram of the cutting line position;

[0019] Figure 3 for Figure 2 Cross-sectional view along section AA;

[0020] Figure 4 It is a structural schematic diagram of the bearing group of the present invention;

[0021] Figure 5 for Figure 4 Schematic diagram of the cutting line position;

[0022] Figure 6 for Figure 5 Cross-sectional view along section BB;

[0023] Figure 7 for Figure 5 Cross-sectional view along section CC;

[0024] Figure 8 for Figure 5 Cross-sectional view along section DD;

[0025] Fig. 9 for Figure 8 A partial enlarged view of

[0026] Fig.10 It is a schematic diagram of the structure of the nozzle group of the present invention;

[0027] Fig.11 for Fig.10 Schematic diagram of the cutting line position;

[0028] Fig.12 for Fig.11 Cross-sectional view along section EE;

[0029] Fig.13 It is a schematic diagram of the structure of the driving group of the present invention;

[0030] Fig.14 for Fig.13 The location of the cutting line Figure 1 ;

[0031] Fig.15 for Fig.14 Cross-sectional view along section GG;

[0032] Fig.16 for Fig.13 The location of the cutting line Figure 2 ;

[0033] Fig.17 for Fig.16 Cross-sectional view along section FF;

[0034] Fig.18 It is a structural schematic diagram of the irrigation liquid tank group of the present invention;

[0035] Markings in the figure: bearing group 1; mounting base 1-1; mounting bracket 1-2; bearing frame 1-3; extension slide plate 1-4; matching sleeve 1-5; driving rod 1-6; driven wheel 1-7; synchronous belt 1-8; knob 1-9; matching bracket 1-10; positioning card slot 1-11; driving wheel 1-12; matching slider 1-13; spiral slide 1-14; positioning card rod 1-15; positioning card rod push spring 1-16; positioning card rod slide cavity 1-17; nozzle group 2; nozzle box 2-1; spray column 2-2; nozzle box connecting pipe 2-3; driving group 3; driving wheel 3-1; rectangular slide 3-2; rectangular slider 3-3; matching installation sleeve 3-4; driving connecting rod 3-5; mounting bracket end cover 3-6; driving sleeve 3-7; connecting pipe one 3-8; sealing end cover 3-9; executing motor 3-10; one-way push plate 3-11; rectangular through hole 3-12; spring A3-13; inner sleeve 3-14; opening A3-15; piston slide rod 3-16; positioning slot two 3-17; positioning clamp rod two 3-18; positioning clamp rod push spring two 3-19; irrigation liquid tank group 4; pump body 4-1; irrigation liquid tank 4-2; irrigation connecting pipe 4-3. DETAILED DESCRIPTION

[0036] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0038] Example 1

[0039] like Figure 1-3 As shown, a seedling planting irrigation equipment includes a bearing group 1, a nozzle group 2, a driving group 3, and an irrigation liquid tank group 4. The bearing group 1 is connected to the nozzle group 2, the driving group 3 is connected to the bearing group 1, and the irrigation liquid tank group 4 is connected to the nozzle group 2.

[0040] Example 2

[0041] like Figure 4-9As shown, the bearing group 1 includes a mounting base 1-1, a mounting bracket 1-2, a bearing frame 1-3, an extension slide 1-4, a matching sleeve 1-5, a driving rod 1-6, a driven wheel 1-7, a synchronous belt 1-8, a knob 1-9, a matching bracket 1-10, a positioning card slot 1-11, a driving wheel 1-12, a matching slider 1-13, a spiral slide 1-14, a positioning card rod 1-15, a positioning card rod push spring 1-16, and a positioning card rod slide cavity 1-17. The mounting base 1-1 is fixedly mounted with a mounting bracket 1-2, and the mounting base 1-1 is fixedly mounted with a bearing frame 1-3. An extension slide 1-4 is slidably mounted on the carrier 1-3, a driving rod 1-6 is rotatably mounted on the extension slide 1-4, a driven wheel 1-7 is fixedly mounted on one end of the driving rod 1-6, a matching slider 1-13 is fixedly mounted on the other end of the driving rod 1-6, the matching slider 1-13 is slidably mounted in a spiral slide 1-14, the spiral slide 1-14 is opened on a matching sleeve 1-5, the matching sleeve 1-5 is fixedly mounted on the carrier 1-3, a matching bracket 1-10 is fixedly mounted on the carrier 1-3, a driving wheel 1-12 is rotatably mounted on the matching bracket 1-10, and the driving wheel 1-12 Another driving rotating rod 1-6 is fixedly installed on the upper part, a synchronous belt 1-8 is arranged between the driving wheel 1-12 and the driven wheel 1-7, a knob 1-9 is fixedly installed on the driving wheel 1-12, a positioning card slot 1-11 is opened on the knob 1-9, and a plurality of positioning card slots 1-11 are arranged, a positioning card rod sliding cavity 1-17 is opened on the matching bracket 1-10, a positioning card rod 1-15 is slidably installed in the positioning card rod sliding cavity 1-17, a positioning card rod push spring 1-16 is arranged between the positioning card rod 1-15 and the positioning card rod sliding cavity 1-17, and the positioning card rod 1-15 is connected with the positioning card slot 1-11. With such arrangement, the seedlings are placed on the carrier frame 1-3, and the knob 1-9 is manually turned, thereby driving the active wheel 1-12 to rotate through the knob 1-9, and then driving the driving rod 1-6 to rotate through the active wheel 1-12, and through the sliding cooperation between the matching slider 1-13 and the spiral slide groove 1-14, the driving rod 1-6 is driven to slide along the central axis of the matching sleeve 1-5, and the expansion slide plate 1-4 and the carrier frame 1-3 are driven to slide relative to each other, and then the use area of ​​the carrier frame 1-3 is expanded through the expansion slide plate 1-4, so as to facilitate the placement of more seedlings that need to be planted and irrigated.

[0042] Among them, the multiple positioning slots 1-11 are arranged in a circumferential array along the central axis of the knob 1-9.

[0043] Example 3

[0044] like Figure 10-12As shown, the nozzle group 2 includes a nozzle box 2-1, a spray column 2-2, and a nozzle box connecting pipe 2-3. The nozzle box 2-1 is fixedly installed on the supporting frame 1-3. The spray column 2-2 is fixedly installed on the nozzle box 2-1, and a plurality of spray columns 2-2 are provided. The nozzle box 2-1 is fixedly installed with a nozzle box connecting pipe 2-3, and the nozzle box connecting pipe 2-3 is connected to the driving group 3. With this arrangement, the driving group 3 transports the irrigation liquid in the irrigation liquid tank group 4 into the nozzle box 2-1 through the nozzle box connecting pipe 2-3, and sprays it out through the spray column 2-2, thereby realizing the watering of the seedlings that need to be planted and irrigated.

[0045] Wherein, a plurality of the spray columns 2-2 are arranged in a linear array along the spray head box 2-1.

[0046] Example 4

[0047] like Figure 13-17As shown, the driving group 3 includes a driving wheel disc 3-1, a rectangular slide groove 3-2, a rectangular slider 3-3, a matching installation sleeve 3-4, a driving connecting rod 3-5, a mounting bracket end cover 3-6, a driving sleeve 3-7, a connecting pipe 1 3-8, a sealing end cover 3-9, an execution motor 3-10, a one-way push plate 3-11, a rectangular through hole 3-12, a spring A3-13, an inner sleeve 3-14, an opening A3-15, a piston slide rod 3-16, a positioning card groove 2 3-17, a positioning card rod 2 3-18, and a positioning card rod push spring 2 3-19. A rectangular slide groove 3-2 is opened on the driving wheel disc 3-1, a rectangular slider 3-3 is slidably installed in the rectangular slide groove 3-2, and a matching The mounting sleeve 3-4 is matched with the mounting sleeve 3-4 and is slidably connected with the driving connecting rod 3-5. A piston slide rod 3-16 is fixedly installed on the driving connecting rod 3-5. The piston slide rod 3-16 is slidably installed on the inner end of the driving sleeve 3-7. One end of the driving sleeve 3-7 is fixedly installed with a mounting bracket end cover 3-6. The other end of the driving sleeve 3-7 is fixedly installed on the sealing end cover 3-9. An actuator motor 3-10 is installed on the mounting bracket end cover 3-6. The output shaft of the actuator motor 3-10 is installed on the driving wheel 3-1. The driving sleeve 3-7 is fixedly installed on the mounting bracket 1-2. A connecting pipe 3-8 is fixedly installed on the driving sleeve 3-7. The connecting pipe 3-8 is connected to the nozzle box. 2-3 is fixedly connected and connected, a second positioning card slot 3-17 is opened in the rectangular slide 3-2, and a plurality of the second positioning card slots 3-17 are provided, a second positioning card rod 3-18 is slidably installed in the rectangular slide 3-3, and two positioning card rods 3-18 are provided, a second positioning card rod push spring 3-19 is provided between the two positioning card rods 3-18, the second positioning card rod 3-18 is matched with the second positioning card slot 3-17, an inner sleeve 3-14 is fixedly installed on the sealing end cover 3-9, an opening A3-15 is opened on the inner sleeve 3-14, a one-way push plate 3-11 is slidably installed in the opening A3-15, a spring A3-13 is provided between the one-way push plate 3-11 and the inner sleeve 3-14, and a sealing A rectangular through hole 3-12 is opened on the end cover 3-9, and the rectangular through hole 3-12 cooperates with the one-way push plate 3-11. With such a configuration, the execution motor 3-10 is started, and then the execution motor 3-10 drives the driving wheel 3-1 to rotate, and then the driving wheel 3-1 drives the rectangular slider 3-3 and the matching installation sleeve 3-4 to drive the driving connecting rod 3-5 to move, and then the driving connecting rod 3-5 drives the piston slide rod 3-16 to reciprocate at the inner end of the driving sleeve 3-7, so that the irrigation liquid in the irrigation liquid tank group 4 enters the driving sleeve 3-7 through the opening A3-15 and the rectangular through hole 3-12, and enters the nozzle box connecting pipe 2-3 through the connecting pipe 1 3-8, completing the transportation of the irrigation liquid;At the same time, the rectangular slider 3-3 is slid along the rectangular slide groove 3-2, so that the rectangular slider 3-3 and the matching installation sleeve 3-4 drive the driving connecting rod 3-5 to change its reciprocating stroke, thereby changing the reciprocating stroke of the piston slide rod 3-16 at the inner end of the driving sleeve 3-7, so that the amount of irrigation liquid that can be transported per unit time changes, thereby realizing the adjustment of the irrigation liquid spraying amount, and then realizing the adjustment of the watering effect of the seedlings. ;

[0048] Among them, the multiple positioning slots 3-17 are arranged in a linear array along the rectangular slide groove 3-2.

[0049] Example 5

[0050] like Fig.18 As shown, the irrigation liquid tank group 4 includes a pump body 4-1, an irrigation liquid tank 4-2, and an irrigation connecting pipe 4-3. The pump body 4-1 is installed on the irrigation liquid tank 4-2. The irrigation connecting pipe 4-3 is installed on the irrigation liquid tank 4-2. The irrigation connecting pipe 4-3 is connected to the opening A3-15.

[0051] It is to be understood that the present invention is described by some embodiments, and it is known to those skilled in the art that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A seedling planting irrigation device, characterized in that: It comprises a bearing group (1), a nozzle group (2), a driving group (3), and an irrigation liquid tank group (4), wherein the bearing group (1) is connected to the nozzle group (2), the driving group (3) is connected to the bearing group (1), and the irrigation liquid tank group (4) is connected to the nozzle group (2); The bearing group (1) comprises a mounting base (1-1), a mounting bracket (1-2), a bearing frame (1-3), an extension slide plate (1-4), a matching sleeve (1-5), a driving rotating rod (1-6), a driven wheel (1-7), a synchronous belt (1-8), a knob (1-9), a matching bracket (1-10), a positioning slot (1-11), a driving wheel (1-12), a matching slider (1-13), a spiral slide groove (1-14), a positioning lever (1-15), a positioning lever push spring (1-16), a positioning lever The sliding cavity (1-17) comprises a mounting bracket (1-2) fixedly mounted on the mounting base (1-1), a bearing frame (1-3) fixedly mounted on the mounting base (1-1), an extension slide (1-4) slidably mounted on the bearing frame (1-3), a driving rotating rod (1-6) rotatably mounted on the extension slide (1-4), a driven wheel (1-7) fixedly mounted on one end of the driving rotating rod (1-6), a matching slider (1-13) fixedly mounted on the other end of the driving rotating rod (1-6), and the matching slider (1-13) slidably mounted on the The spiral chute (1-14) is opened on the matching sleeve (1-5), the matching sleeve (1-5) is fixedly installed on the carrier frame (1-3), the matching bracket (1-10) is fixedly installed on the carrier frame (1-3), a driving wheel (1-12) is rotatably mounted on the matching bracket (1-10), another driving rotating rod (1-6) is fixedly installed on the driving wheel (1-12), a synchronous belt (1-8) is arranged between the driving wheel (1-12) and the driven wheel (1-7), and the driving wheel (1-12) is rotated and matched with the driven wheel (1-7). 12) is fixedly mounted with a knob (1-9), the knob (1-9) is provided with a positioning slot (1-11), and a plurality of positioning slots (1-11) are provided, a positioning rod sliding cavity (1-17) is provided on the matching bracket (1-10), a positioning rod (1-15) is slidably mounted in the positioning rod sliding cavity (1-17), a positioning rod push spring (1-16) is provided between the positioning rod (1-15) and the positioning rod sliding cavity (1-17), and the positioning rod (1-15) is matched and connected with the positioning slot (1-11); The driving group (3) comprises a driving wheel (3-1), a rectangular slide groove (3-2), a rectangular slider (3-3), a matching mounting sleeve (3-4), a driving connecting rod (3-5), a mounting bracket end cover (3-6), a driving sleeve (3-7), a connecting pipe (3-8), a sealing end cover (3-9), an actuator motor (3-10), a one-way push plate (3-11), a rectangular through hole (3-12), a spring A (3-13), an inner sleeve (3-14), an opening A (3-15), a piston slide rod (3-16), a second positioning slot (3-17), a second positioning rod (3-18), and a second positioning rod push spring (3-19). A rectangular slide groove (3-2) is formed on the driving wheel (3-1), a rectangular slide block (3-3) is slidably mounted in the rectangular slide groove (3-2), a matching installation sleeve (3-4) is fixedly mounted on the rectangular slide block (3-3), the matching installation sleeve (3-4) is slidably connected with the driving connecting rod (3-5), a piston slide rod (3-16) is fixedly mounted on the driving connecting rod (3-5), the piston slide rod (3-16) is slidably mounted on the inner end of the driving sleeve (3-7), one end of the driving sleeve (3-7) is fixedly mounted with a mounting bracket end cover (3-6), the other end of the driving sleeve (3-7) is fixedly mounted on the sealing end cover (3-9), and the mounting bracket end cover (3-6) is equipped with an actuator motor (3-10), the output shaft of the actuator motor (3-10) is equipped with a driving wheel disc (3-1), the driving sleeve (3-7) is fixedly equipped with the mounting bracket (1-2), the driving sleeve (3-7) is fixedly equipped with a connecting pipe (3-8), the connecting pipe (3-8) is fixedly connected and connected with the nozzle box connecting pipe (2-3), a positioning card slot (3-17) is provided in the rectangular slide groove (3-2), and a plurality of positioning card slots (3-17) are provided, and a positioning card rod (3-18) is slidably installed in the rectangular slide (3-3), and the positioning card rod (3-18) is provided with two A second positioning card rod push spring (3-19) is arranged between the two second positioning card rods (3-18), the second positioning card rod (3-18) is connected in cooperation with the second positioning card slot (3-17), an inner sleeve (3-14) is fixedly installed on the sealing end cover (3-9), an opening A (3-15) is opened on the inner sleeve (3-14), a one-way push plate (3-11) is slidably installed in the opening A (3-15), a spring A (3-13) is arranged between the one-way push plate (3-11) and the inner sleeve (3-14), a rectangular through hole (3-12) is opened on the sealing end cover (3-9), and the rectangular through hole (3-12) is matched with the one-way push plate (3-11).

2. The seedling planting irrigation equipment according to claim 1, characterized in that: The plurality of positioning slots (1-11) are arranged in a circumferential array along the central axis of the knob (1-9).

3. The seedling planting irrigation equipment according to claim 1, characterized in that: The nozzle group (2) comprises a nozzle box (2-1), a spray column (2-2), and a nozzle box connecting pipe (2-3); the nozzle box (2-1) is fixedly mounted on the carrier (1-3); a spray column (2-2) is fixedly mounted on the nozzle box (2-1); and a plurality of spray columns (2-2) are provided; a nozzle box connecting pipe (2-3) is fixedly mounted on the nozzle box (2-1); and the nozzle box connecting pipe (2-3) is connected to the driving group (3).

4. The seedling planting irrigation equipment according to claim 3, characterized in that: The plurality of spray columns (2-2) are arranged in a linear array along the spray head box (2-1).

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